Pair 5963 (12AU7) Vintage Vacuum Tubes RCA 1969 Test Strong / Matched 140
Item History & Price
Reference Number: Avaluer:27593895 | Model: 5963 |
Brand: RCA | Country/Region of Manufacture: United States |
Year of Manufacture: 1969 | Type: Preamp Tubes |
Pair 5963 (12AU7) Vintage Vacuum Tubes RCA 1969 Test Strong / Balanced 140%
This pair of vintage 5963 9-pin miniature dual triode tube has been stored away for years. Made by RCA in the U.S.A. This is a ruggedized computer-rated variant of the 12AU7. Gray plates, “o” getter halos, red print, dated 1969. White boxed.
Tubes tested as strong and balanced on my Hickok tester: 3100/3100 and 3100/3100 in mutual conductance where 2200/2200 for Triode 1/Triode 2 is averag...e new, no shorts. Price is for two pieces.